We're taking part in Copyright Week, a series of actions and discussions supporting key principles that should guide copyright policy. Every day this week, various groups are taking on different elements of the law, and addressing what's at stake, and what we need to do to make sure that copyright promotes creativity and innovation.

Legend has it that trolls turn to stone when faced with sunlight. That’s why yesterday, EFF filed a motion in the Eastern District of Texas (a favorite jurisdiction for patent trolls) to intervene and unseal documents in a patent infringement case. In the motions, EFF argues that the plaintiff’s infringement contentions (the documents that lay out, step-by-step, why the defendant’s product is allegedly infringing the patent) are improperly sealed from public scrutiny.

A court filing unsealed late Wednesday shows that the U.S. Department of Justice (DOJ) made a highly misleading argument to an appeals court in October during a hearing on the constitutionality of National Security Letters (NSLs).